How the world's longest underwater tunnel was built - Alex Gendler

How the world longest underwater tunnel was built

How Europe's Building the World's Longest Underwater Tunnel!

Unbelievable! The sea is full of water, how is the undersea tunnel built?

The Impossible Construction of World's Longest Undersea Tunnel

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The Longest Underwater Tunnel in the World

This is the longest underwater tunnel in the world #shortvideo #knowledge #shorts

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The Monstrous Machines That Drill Underwater Tunnels